45.0 degrees by 0.047 in deep chamfer on edge of both sides
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Classification: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
NSN 6610-00-111-3159
NSN 6145-01-417-1705
NSN 6685-00-912-1847
NSN 4140-01-600-9879
NSN 5935-01-261-4014
NSN 6645-01-592-7563
NSN 5915-01-463-3347
NSN 5905-01-480-9151
NSN 6320-01-512-2031
NSN 5996-01-370-5570
NSN 6645-00-419-4860
NSN 5915-00-080-6385